﻿<section>
    <h1 data-bind="text: hello1"></h1>
    <h1 data-bind="text: hello2" style="margin-top: 50px"></h1>
    <h1 data-bind="text: hello3" style="margin-top: 50px"></h1>

    <hr/>
    <button id="hello2" class="btn btn-primary" data-bind="click: handleChange">修改hello2</button>
    <button id="hello3" class="btn btn-primary" data-bind="click: handleChange">修改hello3</button>
    <button class="btn btn-primary" data-bind="click: handlePrint">打印hello2和hello3</button>
</section>

